51588012836 has 6 divisors (see below), whose sum is σ = 90279022470. Its totient is φ = 25794006416.

The previous prime is 51588012799. The next prime is 51588012851. The reversal of 51588012836 is 63821088515.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 41267484736 + 10320528100 = 203144^2 + 101590^2 .

It is a super-2 number, since 2×51588012836² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6448501601 + ... + 6448501608.

It is an arithmetic number, because the mean of its divisors is an integer number (15046503745).

Almost surely, 2^51588012836 is an apocalyptic number.

It is an amenable number.

51588012836 is a deficient number, since it is larger than the sum of its proper divisors (38691009634).

51588012836 is a wasteful number, since it uses less digits than its factorization.

51588012836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12897003213 (or 12897003211 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 47.

The spelling of 51588012836 in words is "fifty-one billion, five hundred eighty-eight million, twelve thousand, eight hundred thirty-six".